Anterior Compartment Of The Forearm
Question 1. Enumerate the superficial muscles on the front of the forearm.
Answer.
They are five in number. From medial to lateral side, these are
- Flexor carpi ulnaris
- Palmaris longus
- Flexor digitorum superficialis
- Flexor carpi radialis
- Pronator teres
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Question 2. Give the origin, insertion, nerve supply, and actions of the pronator teres.
Answer.
Pronator Teres Origin
Pronator Teres arises by two heads.
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Humeral head:
From the lower part of the medial epicondyle of the humerus.
Ulnar head:
From the medial border of the coronoid process of the ulna.
Pronator Teres Insertion
Into the lateral surface of the radius at its maximum convexity (middle of the lateral border of the radial shaft).
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Pronator Teres Nerve Supply
Median nerve as it passes between its two heads of the pronator teres.
Pronator Teres Action
Pronation of the forearm.
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